2019-07-24 12:08:54,054 [INFO] {24754} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
Start: run
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.14
INFO: Mock Version: 1.4.14
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-24 12:39:02,330 [INFO] {25089} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/8748/188748/local/work/tasks/8668/188668/R-rlecuyer-0.3.4-7.fc31.src.rpm)  Config(f31-build-50808-27432)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.14
INFO: Mock Version: 1.4.14
Finish: chroot init
Start: build phase for R-rlecuyer-0.3.4-7.fc31.src.rpm
Start: build setup for R-rlecuyer-0.3.4-7.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/8748/188748/local/work/tasks/8668/188668/R-rlecuyer-0.3.4-7.fc31.src.rpm) Config(f31-build-50808-27432) 2 minutes 42 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-50808-27432/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-50808-27432/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-50808-27432/root//builddir/build/SRPMS/R-rlecuyer-0.3.4-7.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:16 ago on Wed 24 Jul 2019 12:11:21 PM EDT.
Error: 
 Problem: package R-core-devel-3.5.2-2.fc30.riscv64 requires R-core = 3.5.2-2.fc30, but none of the providers can be installed
  - package R-core-3.5.2-2.fc30.riscv64 requires cups, but none of the providers can be installed
  - package R-devel-3.5.2-2.fc30.riscv64 requires R-core-devel = 3.5.2-2.fc30, but none of the providers can be installed
  - package cups-1:2.2.10-1.fc30.riscv64 requires systemd, but none of the providers can be installed
  - conflicting requests
  - nothing provides libqrencode.so.3()(64bit) needed by systemd-242-4.git7a6d834.1.riscv64.fc31.riscv64